5x+y=-2 solve system of equations by subtraction

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.